group rings
group rings is the plural of group ring.
Meaning of group ring
Noun
group ring (plural group rings)
- Given ring R with identity not equal to zero, and group G=g_1,g_2,...,g_n, the group ring RG has elements of the form a_1g_1+a_2g_2+...+a_ng_n (where a_i isin R) such that the sum of a_1g_1+a_2g_2+...+a_ng_n and b_1g_1+b_2g_2+...+b_ng_n is (a_1+b_1)g_1+(a_2+b_2)g_2+...+(a_n+b_n)g_n and the product is ∑ₖ₌₁ⁿ(∑_(g_ig_j=g_k)a_ib_j)g_k.
- Synonyms:
- group algebra
Questions about group rings
- What is group rings the plural of?
- Group rings is the plural of group ring.
Words near group rings in the dictionary
Source and license
Adapted from Wiktionary: group rings (page history and authors); group ring (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “group rings.” Word.ws, https://word.ws/group_rings. Based on Wiktionary, CC BY-SA 4.0.
